000 00318nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aMURDICK ROBERT G.
245 0 _aPETER NORTONS PC PROBLEMS SOLVES
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1990
300 _a610
942 _2ddc
999 _c59355
_d59355